Guarantees and Indemnifications Guarantees (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Guarantees [Abstract]
Total of Loans Covered by Guarantees	$ 22,400	$ 12,200
Total of Guaranteed Loans Inquired About	1,000	1,300
Total Loans Indemnified to third parties	2,400	2,200
Loan Repurchase Guarantee Liability	$ 1,100	$ 1,200